: a conical pointed projection (such as a small tooth)
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Unique to this species is a white band of denticles across its upper jaw, which researchers believe could reflect bioluminescent light from deep-sea plankton, potentially attracting prey in the dark waters where these sharks often roam.—Melissa Cristina Marquez, Forbes, 31 Oct. 2024 Stingray barbs are a kind of dermal denticle—like a tooth—on a tail that can be whipped around.—Katharine Gammon, Smithsonian Magazine, 21 June 2024 Winning combination The authors of this latest paper focused on how the great white shark's denticles might reduce friction drag.—Jennifer Ouellette, Ars Technica, 12 Aug. 2024 Enlarge / Great white sharks can reduce drag at different swimming speeds thanks to high and low ridged denticles in its skin.—Jennifer Ouellette, Ars Technica, 12 Aug. 2024 See all Example Sentences for denticle
Word History
Etymology
Middle English, from Latin denticulus, diminutive of dent-, dens
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